Three-dimensional optical metamaterials consisting of metal-dielectric stacks

被引：5

作者：

Zhao, Wei ^{[1
]}

Zhao, Xiaopeng ^{[1
]}

Song, Kun ^{[1
]}

Zhou, Yawei ^{[1
]}

机构：

[1] NW Polytech Univ, Dept Appl Phys, Xian 710072, Peoples R China

来源：

PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS | 2011年 / 9卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Metamaterials; Optical frequencies; Multilayer structure; Slab focusing; NEGATIVE REFRACTIVE-INDEX; LEFT-HANDED METAMATERIALS;

D O I：

10.1016/j.photonics.2010.09.009

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Herein, three-dimensional optical metamaterials consisting of metal-dielectric stacks are fabricated using a bottom-up approach. In this method, silver dendritic nanostructure was prepared as "meta-atom", and then stacked up multilayered structure with dielectric films. Morphology of the metamaterials was examined by scanning electron microscopy. These bulk metamaterials exhibit pass-bands at optical frequencies and the slab focusing experiment reveals a clear point image. From a practical point of view, our findings point to a simpler avenue to fabricate thick, low-loss metamaterials. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：49 / 56

页数：8

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